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Title 

Selection of appropriate reference genes for RT-qPCR analysis in Berkshire, Duroc, Landrace, and Yorkshire pigs

Authors 

Sang Je ParkS G KwonJ H HwangD H ParkT W KimC W Kim

Publisher 

Elsevier

Issue Date 

2015

Citation 

Gene, vol. 558, no. 1, pp. 152-158

Keywords 

BerkshireDurocLandraceNormalizationReference geneRT-qPCRYorkshire

Abstract 

Reverse transcription quantitative real-time polymerase chain reaction (RT-qPCR) is the most reliable molecular biology technique for assessment of mRNA expression levels. However, to obtain the accurate RT-qPCR results, the expression levels of genes of interest should be normalized with appropriate reference genes and optimal numbers of reference genes. In this study, we assessed the expression stability of 15 well-known candidate reference genes (. ACTB, ALDOA, B2M, GAPDH, HPAR1, HSPCB, PGK1, POLR2G, PPIA, RPL4, RPS18, SDHA, TBP, TOP2B, and YWHAZ) in seven body tissues (liver, lung, kidney, spleen, stomach, small intestine, and large intestine) of Berkshire, Landrace, Duroc, and Yorkshire pigs using three excel-based programs, geNorm, NormFinder, and BestKeeper. Combination analysis of these three programs showed that the stable and appropriate reference genes are PPIA, TBP, and HSPCB in Berkshire pigs; PPIA, TBP, RPL4, and RPS18 in Landrace pigs; PPIA and TBP in Duroc pigs; and PPIA, TOP2B, RPL4, and RPS18 in Yorkshire pigs. Because the four pig breeds had different suitable reference genes, the selection of appropriate reference genes is essential in RT-qPCR analyses. Taken together, our data could help to select reliable reference genes for the normalization of expression levels of various target genes in pigs.

ISSN 

0378-1119

Link 

http://dx.doi.org/10.1016/j.gene.2014.12.052

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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